[AK7752]

2) fs=48kHz

(Ta = 25

°C; AVDD, DVDD = 3.3V; VREFH = AVDD, VREFL = AVSS;

BITCLK = 64fs; Signal frequency 1kHz; Measurement frequency = 20Hz to 3.4kHz; fs = 48kHz;

CKM Mode 0 (CKM [3:0]=LLLL) Unless otherwise specified. )

Parameter

min

typ

max

Units

Resolution

24

Bits

Dynamic Characteristics

ADC

S/(N+D) (-1dBFS)

76

86

dB

Section

Dynamic Range (A-weighted)

(Note 12)

83

91

dB

S/N (A-weighted)

83

91

dB

Inter-Channel Isolation (f=1kHz) (Note 13)

90

110

dB

DC accuracy

Channel Gain Mismatch

0.2

0.5

dB

Analog Input

Input Voltage

(Note 14)

1.80

2.00

2.20

Vp-p

Input Impedance

35

50

kΩ

Resolution

18

Bits

Dynamic Characteristics

DAC

S/(N+D) (0 dB)

78

88

dB

Section

Dynamic Range (A-weighted)

(Note 12)

87

95

dB

S/N (A-weighted)

87

95

dB

Inter-Channel Isolation (f=1kHz) (Note 15)

85

100

dB

DC Accuracy

Channel Gain Mismatch

0.2

0.5

dB

Analog input

Output Voltage

(Note 16)

1.85

2.00

2.15

Vp-p

Load Resistance

10

kΩ

Load Capacitance

50

pF

Note 12. S/(N+D) when -60dB signal is applied.

Note 13. Inter-channel isolation between ALINE_IN and ANE_IN at –1 dB FS signal input.

Note 14. The full scale for analog input voltage is FS=(VREFH-VREFL)×0.606.

Note 15. Between ANE_OUT and ALINE_OUT.

Note 16. Full scale output voltage when VREFH=AVDD, VREFL=AVSS.

MS0578-E-01

-PB

2007/0

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